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Switcher ICs Simplify Constant-Voltage Converter Design

November 24, 2008 6:48 am | Power Integrations | Comments

Targeting applications requiring +/-5% voltage accuracy, the LinkSwitch-CV Series of AC/DC switched-mode power conversion ICs simplify the design of CV converters by eliminating all secondary-side CV and control-loop compensation circuitry. The family includes the LNK626PG, presented as the world’s highest-power accurate constant voltage (CV) integrated switcher IC with primary-side control.

Suppressor Delivers Filtering and Clamping

November 24, 2008 6:40 am | Avx Corporation | Comments

Combining stacked capacitors and multilayer varistors, AVX’s CapGuard transient voltage suppressor (TVS) demonstrates broadband off-state EMI filtering and bi-directional transient clamping. The component offers energy ratings of 1.2 joules and 1.5 joules, parallel capacitance values from 10 nF to 33 nF, and operating temperatures from -55°C to 125°C. The product exhibits working voltages of 18 VDC, 26 VDC, 30 VDC, and 48 VDC, and

S-Band VCO Operates to 2,450 MHz

November 24, 2008 6:13 am | Comments

Offering a tuning voltage range from 0.50 VDC to 4.50 VDC, Z-Communications' V804ME14-LF S-band VCO performs from 2,300 MHz to 2,450 MHz in broadcast system applications. The RoHS-compliant unit exhibits a typical phase noise of -99 dBc/Hz at 10-KHz offset, a typical tuning sensitivity of 52 MHz/V, and typical second harmonic suppression of -20 dBc. The 0.50" × 0.50" × 0.13" MINI-packaged oscillator shows typical output power of

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Smart Inertial Sensors Serve in Medical Devices

November 24, 2008 6:01 am | Analog Devices, Inc. | Comments

Enabling implementation of motion and navigation control in a broader range of applications, including medical instrumentation, the iSensor family of inertial sensors from Analog Devices has added the ADIS16405 six-degrees-of-freedom (6DoF) inertial measurement unit (IMU) and the ADIS16300 four-degrees-of-freedom (4DoF) IMU.

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Quarter Brick Converter Provides Up to 25 A

November 24, 2008 5:33 am | Comments

Operating from a 36-Vdc to 75-Vdc input, the 300-W FPQR48T01225 regulated quarter brick converter from FDK provides a 12-Vdc output at up to 25 A. With an efficiency in excess of 92.5%, the 2.28" x 1.45" x 0.555” device includes features such as input under-voltage lockout (UVLO), output over-current protection (OCP), output over-voltage protection

Sealed Connectors Target COTS Applications

November 24, 2008 5:30 am | Comments

Featuring twist-pin contacts, Commercial off-the-Shelf (COTS) hermetic Micro-D connectors from Cinch Connectors use epoxy-resin sealing technology to achieve a hermeticity of 1 X 10-8 cc/sec @1 ATM in Helium, and exceed Mil-prf-83513. Available in standard configurations from nine pins to 100 pins, the connectors' construction includes gold-plated copper-alloy contacts, aluminum shell

Power Supplies Function in Medical Apps

November 21, 2008 11:02 am | Comments

Offering a typical full-load efficiency of 90%, SL Power Electronics’ Condor MINT1065 single-output power supplies perform in medical applications, such as diagnostic and respiratory care equipment and continuous positive airway pressure (CPAP) devices and monitors. The 2” × 4” × 1.02” instruments offer five models from 12 V to 48 V, a universal

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Motors Offer Stepping Options

November 21, 2008 10:11 am | Comments

Measuring 1.9” × 1.4” × 2” (48 mm × 36 mm × 52 mm), Intelligent Motion Systems’ MDrive14Plus Microstepping and MDrive14Plus Half/Full Step NEMA size 14 brushless stepping motors exhibiting micro, half, of full stepping options. The MDrive14Plus Microstepping presents full 256 × 200 microstepping, a 12- to 48-VDC supply input, internal magnetic or

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STM-1/PDH Recorder Comes in Small Package

November 21, 2008 9:07 am | Comments

Weighing 5 lbs (11 kg), Technisys’ PN701363 STM-1 and PDH recorder performs in a 1.7” H × 8.5” W × 13.5” D (4.3 cm × 21.6 cm × 30.5 cm) aluminum-enclosed package. The instrument accepts STM-1 (155 Mbps) optical through E1 electrical data streams, including all sub-channel rates between, and consumes <50 W of power. The device offers an

MMIC Amplifiers Target Microwave/Millimeterwave Radios

November 21, 2008 6:59 am | Comments

Suiting VSAT, military and space, fiber optics, sensor, and test instrumentation applications, Hittite Microwave’s HMC451LP3E and HMC-ABH264 GaAs PHEMT MMIC amplifiers work in point-to-point and point-to-multipoint radios. The RoHS-compliant HMC451LP3E operates from 5 GHz to 18 GHz with 18-dB gain, 21-dBm saturated output power at 18% PAE, and 28-dBm output IP3 in a temperature range from -40°C to 85°C. The HMC-ABH264 performs from

Three-Phase Filters Fit onto DIN Rail

November 21, 2008 6:05 am | Comments

Exhibiting plastic housing and a lack of internal resins, Premo EMC’s DRTF family of three-phase filters are available to assembly on a DIN rail. The UL1283- and EN60939-approved devices perform without neutral for currents of 20 A, 30 A, and 50 A. The products are appropriate for automation machinery, electro-medical equipment, frequency inverters, servo

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EMI Shielding Gasket Available in Strip Form

November 21, 2008 5:32 am | Comments

Utilizing multi-planar, Z-axis conductive foam technology, the SOFT-SHIELD 4850 EMI shielding gasket from Chomerics Europe is available in strip form. The 4850 uses electrically conductive silver plated fibres (no nickel material is used). The shielding is effective in the range of 70-db to 80-dB. The material is UL 94 V-0 certified

MultiLEDs Target Hi-res Video Displays

November 21, 2008 5:25 am | Comments

With a typical luminance of 2,000-cd/m² and a pixel spacing of 5-mm to 7-mm, two MultiLEDs for LED video displays from OSRAM Opto are targeted at high resolution video display applications that require high brightness and high color fidelity from all viewing angles. The white point for the new MultiLED in the white package is at 2,000-mcd

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Switch Offers Five Functions in SPDT and DPDT

November 21, 2008 4:48 am | Comments

Offering up to five switch functions in SPDT and DPDT, the BST Series switch product from CIT Relay & Switch offers five choices of actuator style, including two plastic, anti-static styles. Electrical rating is 3-A @ 120-VAC and 28-VDC, 1.5-A @ 250-VAC; gold contact material: 0.4-VA maximum @ 20-VAC or DC

PMC Module Achieves High Signal-to-noise Ratio

November 21, 2008 4:38 am | Comments

Exhibiting a signal-to-noise ratio of 75-dBFS and a spurious-free dynamic range of 87-dBc at a 70-MHz input frequency, the Model 7153 digital down converter (DDC) from Pentek is a four-channel, high-speed digitizer PMC module designed for processing baseband RF or IF signals from a communications receiver. The Model 7153 offers two modes of operation

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